Tides

Front

What is the main body that affects Earth's tides?

Back

The Moon has the greatest effect on Earth's tides.

Front

What phase of the moon occurs when the entire face is illuminated?

Back

Full Moon.

Front

How often do tides cycle, rising and falling?

Back

Tides repeat automatically every 12.5 hours.

Front

What type of tide occurs when the water level is at its highest?

Back

High Tide.

Front

True or False: There is a tidal bulge on the opposite side of Earth when the sea is drawn to the Moon.

Back

True.

Front

What is a tide?

Back

A tide is the cycle of rising and falling ocean water caused by the gravitational pull of the Moon and the Sun.

Front

What causes high and low tides?

Back

High and low tides are caused by the gravitational pull of the Moon and the Sun on Earth's oceans.

Front

What is the difference between spring tides and neap tides?

Back

Spring tides occur during full and new moons when the tidal range is greatest; neap tides occur during the first and last quarters of the moon when the tidal range is smallest.

Front

What is the role of the Sun in tides?

Back

The Sun also affects tides, but its effect is less than that of the Moon.

Front

What is a tidal bulge?

Back

A tidal bulge is an area where the ocean water is higher due to the gravitational pull of the Moon or the Sun.